| Company | Timeline | Status | |
| Botanical Society Of Britain And Ireland Director • Botanist | 3 Jun 2013←4 Years→25 Nov 2017 | Active | |
| The Dorset Natural History And Archaeological Society Director • Botanist | 2 Sep 1997←6 Months→3 Mar 1998 | Active | |
| 29 Richmond Terrace Limited Director • Botanist | 21 Jun 1997←28 Years→Current | Active | |
| 29 Richmond Terrace Limited Secretary • Botanist | 21 Jun 1997←28 Years→Current | Active | |
| Plantlife International - The Wild Plant Conservation Charity Director • Botanist | 24 Jul 1996←3 Years→1 Dec 1999 | Active | |
| The Dorset Environmental Records Centre Trust Company Limited Director • Botanist | 31 Oct 1992←7 Years→24 Oct 2000 | Active | |
| Plantlife Trading Limited Director • Botanist | 18 Sep 1992←4 Years→9 Oct 1996 | Active | |
| Dorset Wildlife Trust Director • Unreported | 24 Jul 1992←11 Years→4 Aug 2003 | Active | |
| 8 & 9 Royal York Crescent Limited Director • Botanist | 31 Dec 1991←30 Years→1 May 2022 | Active | |
